Rock Specimens

Cut and finished samples with fiberoptic samples.

Define and compare ways organisms have been preserved.

Ward's® Ventifact

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Beautifully polished and distinctive slabs or rare 2.3 billion year old fossil stromatolites. Well defined growth structures in matrix.

A sawn and lacquered slab of classic Precambrian banded layers of hematite (iron) and quartz. Average size: 3" x 4". Ontario, Canada.

Sale

Students determine a mineral's hardness between five and 10 on Mohs' scale.